Features: Crafted with plastic and metal materials, these test probes ensure accurate measurements without causing any damage to wires. The test probe comes with a standard 2mm/4mm banana plug test lead connector that can be used with most test lead kits in the field. Designed for professionals in various fields such as automotive, industrial, HVAC, electrical, and marine, these back probe pins are essential for precise testing. From car repairs to laboratory electric multimeter testing, these versatile back probe pins are reliable tools for a wide ranges of applications. With a set of 2/10 pieces available in different colors, these back probe pins offer convenience and flexibility for all your testing needs. Specifications: Material:ABS,Metal Type:0.7mm Pin 2mm Plug,1mm Pin 2mm Plug,0.7mm Pin 4mm Plug,5Pcs Probe(4mm Plug) + 10Pcs Pin Quantity:2Pcs,10Pcs Package Includes: 2Pcs or 10Pcs or 15Pcs Wire Piercing Probe note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.